Added more options to test pcb_print features

tests/test_plot/test_print_pcb.py

@@ -96,3 +96,10 @@ def test_print_wrong_paste(test_dir):
     ctx.expect_out_file(fname)
     ctx.search_err(r'Pad with solder paste, but no copper')
     ctx.clean_up()
+
+
+def test_pcb_print_simple_1(test_dir):
+    prj = 'light_control'
+    ctx = context.TestContext(test_dir, 'test_pcb_print_simple_1', prj, 'pcb_print_2', '')
+    ctx.run()
+    ctx.expect_out_file(prj+'-assembly_page_01.png')

tests/yaml_samples/pcb_print_2.kibot.yaml

@@ -6,7 +6,6 @@ outputs:
   - name: 'print_front'
     comment: "Experiment"
     type: pcb_print
-    dir: Layers
     options:
       # title: 'Fake title for front copper and silk'
       # color_theme: _builtin_default
@@ -14,10 +13,16 @@ outputs:
       title: Chau
       plot_sheet_reference: true
       sheet_reference_layout: '${KIPRJMOD}/../../data/test_img.kicad_wks'
-      format: 'PDF'
+      format: 'PNG'
       keep_temporal_files: true
+      scaling: 2
       # enable_ki6_frame_fix: true
+      add_background: true
+      background_image: "tests/data/confidential_optimized.svg"
       pages:
         - layers:
+            - layer: F.Cu
+            - layer: F.Mask
+              color: '#14332440'
             - layer: Edge.Cuts
               color: "#004040"